Global Patent Index - EP 0358944 B1

EP 0358944 B1 19941130 - Liquid level control float valve.

Title (en)

Liquid level control float valve.

Title (de)

Schwimmergesteuertes Ventil zur Niveauregelung von Flüssigkeiten.

Title (fr)

Vanne de régulation de niveau de liquide commandée par un flotteur.

Publication

EP 0358944 B1 19941130 (EN)

Application

EP 89114661 A 19890808

Priority

KR 880013629 U 19880819

Abstract (en)

[origin: EP0358944A1] A liquid level control float valve comprising a valve body (1) having an inlet (2), a cap (13) having an outlet (14), a drain pipe (17) having a drain aperture, a piston (9) member having a fluid aperture (11) disposed in an upper plate (10) and a disc valve (8) disposed in the lower portion thereof, and a float ball (20) connected to the outlet (14) through an open/close valve (23), whereby upon the change in the level of the liquid, the float ball is raised and or lowered which in turn moves the piston member which further opens or closes in a corresponding manner the outlet (14) and the drain aperture (15).

IPC 1-7

F16K 31/34

IPC 8 full level

F16K 31/34 (2006.01)

CPC (source: EP KR US)

E03C 1/242 (2013.01 - KR); F16K 31/34 (2013.01 - EP US); Y10T 137/053 (2015.04 - EP US); Y10T 137/6004 (2015.04 - EP US); Y10T 137/7371 (2015.04 - EP US); Y10T 137/7413 (2015.04 - EP US); Y10T 137/7423 (2015.04 - EP US); Y10T 137/7439 (2015.04 - EP US)

Designated contracting state (EPC)

AT BE CH DE ES FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0358944 A1 19900321; EP 0358944 B1 19941130; AT E114796 T1 19941215; DE 68919604 D1 19950112; DE 68919604 T2 19950614; JP H0231972 U 19900228; JP H0523909 Y2 19930617; KR 900005023 U 19900308; KR 910005056 Y1 19910715; US 4830042 A 19890516

DOCDB simple family (application)

EP 89114661 A 19890808; AT 89114661 T 19890808; DE 68919604 T 19890808; JP 12521888 U 19880927; KR 880013629 U 19880819; US 25727188 A 19881013